The control system and a high level of complexity have not changed since the first game of the series. It added a new type of job, for example, following after another dolphin and pseudo-three-dimensional levels. One of the innovations began Metasphere, which can be converted into other beings Ecco. Transformations depend on the level on which the metasphere and allow to turn into a seagull, jellyfish, sharks, a school of fish and the drone of the Vortex. The scale of health, air, the glyphs have not changed, there were upgrades sonar, "the song of attack" and "Song of confusion", which became available at the beginning of the game.